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util.py
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util.py
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#!/usr/bin/env python3
from __future__ import print_function
import contextlib
import errno
import json
import os
import shutil
import subprocess
import sys
# Python 3 / 2 compat import
try:
from urllib.request import urlopen
except ImportError:
from urllib2 import urlopen
import zipfile
# from lib.config import is_verbose_mode
def is_verbose_mode():
return False
ELECTRON_DIR = os.path.abspath(
os.path.dirname(os.path.dirname(os.path.dirname(__file__)))
)
TS_NODE = os.path.join(ELECTRON_DIR, 'node_modules', '.bin', 'ts-node')
SRC_DIR = os.path.abspath(os.path.join(__file__, '..', '..', '..', '..'))
NPM = 'npm'
if sys.platform in ['win32', 'cygwin']:
NPM += '.cmd'
TS_NODE += '.cmd'
@contextlib.contextmanager
def scoped_cwd(path):
cwd = os.getcwd()
os.chdir(path)
try:
yield
finally:
os.chdir(cwd)
@contextlib.contextmanager
def scoped_env(key, value):
origin = ''
if key in os.environ:
origin = os.environ[key]
os.environ[key] = value
try:
yield
finally:
os.environ[key] = origin
def download(text, url, path):
safe_mkdir(os.path.dirname(path))
with open(path, 'wb') as local_file:
print("Downloading %s to %s" % (url, path))
web_file = urlopen(url)
info = web_file.info()
if hasattr(info, 'getheader'):
file_size = int(info.getheaders("Content-Length")[0])
else:
file_size = int(info.get("Content-Length")[0])
downloaded_size = 0
block_size = 4096
ci = os.environ.get('CI') is not None
while True:
buf = web_file.read(block_size)
if not buf:
break
downloaded_size += len(buf)
local_file.write(buf)
if not ci:
percent = downloaded_size * 100. / file_size
status = "\r%s %10d [%3.1f%%]" % (text, downloaded_size, percent)
print(status, end=' ')
if ci:
print("%s done." % (text))
else:
print()
return path
def make_zip(zip_file_path, files, dirs):
safe_unlink(zip_file_path)
if sys.platform == 'darwin':
allfiles = files + dirs
execute(['zip', '-r', '-y', zip_file_path] + allfiles)
else:
zip_file = zipfile.ZipFile(zip_file_path, "w", zipfile.ZIP_DEFLATED,
allowZip64=True)
for filename in files:
zip_file.write(filename, filename)
for dirname in dirs:
for root, _, filenames in os.walk(dirname):
for f in filenames:
zip_file.write(os.path.join(root, f))
zip_file.close()
def rm_rf(path):
try:
shutil.rmtree(path)
except OSError:
pass
def safe_unlink(path):
try:
os.unlink(path)
except OSError as e:
if e.errno != errno.ENOENT:
raise
def safe_mkdir(path):
try:
os.makedirs(path)
except OSError as e:
if e.errno != errno.EEXIST:
raise
def execute(argv, env=None, cwd=None):
if env is None:
env = os.environ
if is_verbose_mode():
print(' '.join(argv))
try:
output = subprocess.check_output(argv, stderr=subprocess.STDOUT,
env=env, cwd=cwd)
if is_verbose_mode():
print(output)
return output
except subprocess.CalledProcessError as e:
print(e.output)
raise e
def get_electron_branding():
SOURCE_ROOT = os.path.abspath(os.path.join(__file__, '..', '..', '..'))
branding_file_path = os.path.join(
SOURCE_ROOT, 'shell', 'app', 'BRANDING.json')
with open(branding_file_path) as f:
return json.load(f)
cached_electron_version = None
def get_electron_version():
global cached_electron_version
if cached_electron_version is None:
cached_electron_version = str.strip(execute([
'node',
'-p',
'require("./script/lib/get-version").getElectronVersion()'
], cwd=ELECTRON_DIR).decode())
return cached_electron_version
def store_artifact(prefix, key_prefix, files):
# Azure Storage
azput(prefix, key_prefix, files)
def azput(prefix, key_prefix, files):
env = os.environ.copy()
output = execute([
'node',
os.path.join(os.path.dirname(__file__), 'azput.js'),
'--prefix', prefix,
'--key_prefix', key_prefix,
] + files, env)
print(output)
def get_out_dir():
out_dir = 'Debug'
override = os.environ.get('ELECTRON_OUT_DIR')
if override is not None:
out_dir = override
return os.path.join(SRC_DIR, 'out', out_dir)
# NOTE: This path is not created by gn, it is used as a scratch zone by our
# upload scripts
def get_dist_dir():
return os.path.join(get_out_dir(), 'gen', 'electron_dist')
def get_electron_exec():
out_dir = get_out_dir()
if sys.platform == 'darwin':
return '{0}/Electron.app/Contents/MacOS/Electron'.format(out_dir)
if sys.platform == 'win32':
return '{0}/electron.exe'.format(out_dir)
if sys.platform == 'linux':
return '{0}/electron'.format(out_dir)
raise Exception(
"get_electron_exec: unexpected platform '{0}'".format(sys.platform))
def get_buildtools_executable(name):
buildtools = os.path.realpath(os.path.join(ELECTRON_DIR, '..', 'buildtools'))
chromium_platform = {
'darwin': 'mac',
'linux': 'linux64',
'linux2': 'linux64',
'win32': 'win',
'cygwin': 'win',
}[sys.platform]
path = os.path.join(buildtools, chromium_platform, name)
if sys.platform == 'win32':
path += '.exe'
return path